A Patient Is Treated Using Two Superiorly/inferiorly Adjacent Fields

question 24

Multiple Choice

A patient is treated using two superiorly/inferiorly adjacent fields.The collimator setting for the superior field is 10 cm wide by 13 cm long.The collimator setting for the inferior field is 20 cm wide by 35 cm long.Both fields are treated at 100 cm SSD.Calculate the gap at the skin surface if the fields abut at a depth of 5 cm.

• A) 1.5
• B) 1.2
• C) 2.0
• D) 1.0

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Definitions:

Extinction Rate

The rate at which species become extinct over time, often accelerated by human actions and environmental changes.

Permian Extinction

A mass extinction event occurring about 252 million years ago, marking the end of the Permian Period, and resulting in the loss of a significant percentage of Earth's species.

Ecological Niches

The role and position a species has in its environment, including all its interactions with the biotic and abiotic factors.

Galápagos Archipelago

A group of volcanic islands in the Pacific Ocean, renowned for their unique ecosystem that contributed to Charles Darwin's theory of natural selection.